Where does “trispectrum” come from?

trispectrum (English) comes from English Spectrum, from Latin spectrum, from Ancient Greek σκοπέω, from Ancient Greek σκοπός, from Ancient Greek σκέπτομαι, from Proto-Hellenic sképťomai, from Proto-Indo-European spéḱyeti, from Proto-Indo-European speḱ- — to see, to look, to observe.

trispectrum (English): A certain type of statistic used to analyze...

Definitions

  1. A certain type of statistic used to analyze...

Ancestry of “trispectrum”, step by step

trispectrum traces back through two separate lines of ancestry.

via English Spectrum

StepLanguageWordMeaning
1EnglishSpectrumA range; a continuous, infinite, one-dimensional set, possibly bounded by extremes
2Latinspectrumappearance, image; apparition, specter
3Ancient GreekσκοπέωI look, look at, behold; I examine, inspect; 413...
4Ancient Greekσκοπόςwatcher, lookout; protector, guardian; spy, scout
5Ancient GreekσκέπτομαιI look at, examine; I examine, consider, think
6Proto-Hellenicsképťomaito look at
7Proto-Indo-Europeanspéḱyetito be looking at, to keep looking at
8Proto-Indo-Europeanspeḱ-to see, to look, to observe

via English tri

StepLanguageWordMeaning
1Englishtritriathlon; triangle
2Proto-Indo-Europeantréyesthree
Every word from Proto-Indo-European speḱ-
trispectrum — Etymology, Origin & Word History | Etymology Explorer